Home / 166,637.94-250,018.47-77,920.26

Finding the Fourth Proportional to 166,637.94, 250,018.47 and 77,920.26

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Solution

The fourth proportional to 166,637.94, 250,018.47 and 77,920.26 is: 116,909.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,637.94 : 250,018.47 = 77,920.26 : x
  2. Step 2: Convert to fraction form
    166,637.94/250,018.47 = 77,920.26/x
  3. Step 3: Cross multiply
    166,637.94x = 250,018.47 × 77,920.26
  4. Step 4: Simplify right side
    166,637.94x = 19,481,504,187.20
  5. Step 5: Solve for x
    x = 19,481,504,187.20/166,637.94
  6. Step 6: Final answer
    x = 116,909.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.